Morse code encodes a simple text into a sequence of dots, dashes/dits, and spaces. It is one of the earliest methods used to transmit messages in the form of audible or visual signals. The Morse code ...

Reviving a 200-year-old system, enthusiasts are putting the digit back in digital communication Larry Kahaner Larry Kahaner is an American journalist and author who resides in Bethesda, Maryland.

If you don’t know Morse code, you probably think of a radio operator using a “key” to send Morse code. These were — and still are — used. They are little more than a switch built to be comfortable in ...